“Junk yard” means any space 100 square feet or more of any lot or parcel of land used for the storage, keeping or abandonment of junk or waste material including scrap metals or other scrap materials, or for the dismantling, demolition, or abandonment of automobiles, other vehicles, machinery or any parts thereof. [Prior code Ch. 5 subch. 2 §9B. Formerly §17.06.340].